On 5 November 2014 14:49, ch huang <[email protected]> wrote: > hi,maillist: > i set namenode HA in my HDFS cluster,but seems pig can not know it ,why? > > 2014-11-05 14:34:54,710 [JobControl] INFO > org.apache.hadoop.mapreduce.JobSubmitter - Cleaning up the staging area > file:/tmp/hadoop-root/mapred/staging/root1861403840/.staging/job_local1861403840_0001 > 2014-11-05 14:34:54,716 [JobControl] WARN > org.apache.hadoop.security.UserGroupInformation - > PriviledgedActionException as:root (auth:SIMPLE) > cause:org.apache.pig.backend.executionengine.ExecException: ERROR 2118: > java.net.UnknownHostException: develop >
unknown host exception, this can be the issue. Check that the host is discoverable either form dns or from hosts. > 2014-11-05 14:34:54,717 [JobControl] INFO > org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob - > PigLatin:DefaultJobName got an error while submitting > org.apache.pig.backend.executionengine.ExecException: ERROR 2118: > java.net.UnknownHostException: develop > at > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getSplits(PigInputFormat.java:288) > at > org.apache.hadoop.mapreduce.JobSubmitter.writeNewSplits(JobSubmitter.java:493) > at > org.apache.hadoop.mapreduce.JobSubmitter.writeSplits(JobSubmitter.java:510) > at > org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:394) > at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1295) > at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1292) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1554) > at org.apache.hadoop.mapreduce.Job.submit(Job.java:1292) > at > org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob.submit(ControlledJob.java:335) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at > org.apache.pig.backend.hadoop23.PigJobControl.submit(PigJobControl.java:128) > at > org.apache.pig.backend.hadoop23.PigJobControl.run(PigJobControl.java:191) > at java.lang.Thread.run(Thread.java:744) > at > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher$1.run(MapReduceLauncher.java:270) > Caused by: java.lang.IllegalArgumentException: > java.net.UnknownHostException: develop > at > org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:377) > at > org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:237) > at > org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:141) > at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:576) > at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:521) > at > org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:146) > at > org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2397) > at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:89) > at > org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2431) > at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2413) > at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:368) > at org.apache.hadoop.fs.Path.getFileSystem(Path.java:296) > at > org.apache.hcatalog.mapreduce.HCatBaseInputFormat.setInputPath(HCatBaseInputFormat.java:326) > at > org.apache.hcatalog.mapreduce.HCatBaseInputFormat.getSplits(HCatBaseInputFormat.java:127) > at > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getSplits(PigInputFormat.java:274) > ... 18 more > Caused by: java.net.UnknownHostException: develop > ... 33 more > > -- Jaggu Naidu
